20159239400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{5305063}}^1$

素因数の和:5305098

約数の個数: 48

約数和(自身を含む): 49337095200

約数和(自身を除く): 29177855800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 5305063, 10610126, 21220252, 26525315, 42440504, 53050630, 100796197, 106101260, 132626575, 201592394, 212202520, 265253150, 403184788, 503980985, 530506300, 806369576, 1007961970, 1061012600, 2015923940, 2519904925, 4031847880, 5039809850, 10079619700, 20159239400]

約数ペア:

[(1, 20159239400), (2, 10079619700), (4, 5039809850), (5, 4031847880), (8, 2519904925), (10, 2015923940), (19, 1061012600), (20, 1007961970), (25, 806369576), (38, 530506300), (40, 503980985), (50, 403184788), (76, 265253150), (95, 212202520), (100, 201592394), (152, 132626575), (190, 106101260), (200, 100796197), (380, 53050630), (475, 42440504), (760, 26525315), (950, 21220252), (1900, 10610126), (3800, 5305063)]